可持续捕捞不是一种选择，而是对后代的责任。

The laser is to attosecond physics what the telescope was to astronomy.

互相有爱意，交往中也相互得利。这是墨子很典型的思想主张，也是墨家学派对人类社会最美好的期望。

I'm not a role model. I'm a father, a husband, a son, a brother, a friend. I'm a human being. I make mistakes. I have flaws. I'm not perfect. But I try to be the best person I can be.

孔子说：“君子有九种事情要考虑：看要考虑是否看清楚了、听要考虑是否听清楚了、脸色要考虑是否温和、表情要考虑是否谦恭、言谈时要考虑是否忠诚、工作时要考虑是否敬业、疑问时要考虑请教、愤怒时要考虑后患、见到好处时要考虑道义。”